| Czech Republic Extraliga U20 | 2022/01/04 14:00 | Mountfield HK U20 v HC Kometa Brno U20 | W | 1-4 |
| Club Friendlies (Regulation Only) | 2021/08/05 14:00 | HC Kometa Brno U20 v Mountfield HK U20 | W | 4-2 |
| Club Friendlies (Regulation Only) | 2021/07/29 11:00 | Mountfield HK U20 v HC Kometa Brno U20 | L | 4-2 |
| Czech Republic Extraliga U20 | 2020/10/02 15:00 | Mountfield HK U20 v HC Kometa Brno U20 | W | 5-6 |
| Club Friendlies (Regulation Only) | 2020/08/04 15:00 | Mountfield HK U20 v HC Kometa Brno U20 | L | 8-1 |
| Czech Extraliga U20 Cup | 2019/12/03 15:00 | HC Kometa Brno U20 v Mountfield HK U20 | L | 2-5 |
| Czech Republic Extraliga U20 | 2018/03/28 16:15 | Mountfield HK U20 v HC Kometa Brno U20 | W | 2-5 |
| Czech Republic Extraliga U20 | 2018/02/22 16:00 | Mountfield HK U20 v HC Kometa Brno U20 | L | 7-1 |